gentoo-overlay/net-misc/rdesktop/files/rdesktop-1.8.3-xrandr_configure.patch

--- rdesktop.orig/configure.ac	2015-09-14 11:27:54.974472081 +0200
+++ rdesktop/configure.ac		2015-09-14 11:34:37.729155044 +0200
@@ -151,9 +151,12 @@
 AC_SUBST(CREDSSPOBJ)
 
 # xrandr
-if test -n "$PKG_CONFIG"; then
-    PKG_CHECK_MODULES(XRANDR, xrandr, [HAVE_XRANDR=1], [HAVE_XRANDR=0])
+AC_ARG_WITH([xrandr], AS_HELP_STRING([--without-xrandr], [Build without Xrandr library (default: true)]))
+AS_IF([test "x$with_xrandr" != "xno"], [
+    if test -n "$PKG_CONFIG"; then
+        PKG_CHECK_MODULES(XRANDR, xrandr, [HAVE_XRANDR=1], [HAVE_XRANDR=0])
 fi
+])
 if test x"$HAVE_XRANDR" = "x1"; then
     CFLAGS="$CFLAGS $XRANDR_CFLAGS"
     LIBS="$LIBS $XRANDR_LIBS"